fixed auto builds so project that are not involved dont build

core/org.eclipse.cdt.core/ChangeLog

@@ -1,3 +1,8 @@
+2002-11-20 David Inglis
+	* src/.../internal/core/CBuilder.java
+	fix AUTO_BUILDs so that the builder only builds when the resources change
+	in the project.
+	
 2002-11-20 David Inglis
 	* plugin.xml
 	fixed bug #26640

core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/ConsoleOutputStream.java

@@ -21,7 +21,7 @@ public class ConsoleOutputStream extends OutputStream {
 	}
 
 		
-	public String readBuffer() {
+	public synchronized String readBuffer() {
 		String buf = fBuffer.toString();
 		fBuffer.setLength(0);
 		return buf;

core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/CBuilder.java

@@ -23,6 +23,8 @@ import org.eclipse.cdt.core.resources.MakeUtil;
 import org.eclipse.core.resources.IMarker;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceDelta;
+import org.eclipse.core.resources.IResourceDeltaVisitor;
 import org.eclipse.core.resources.IWorkspace;
 import org.eclipse.core.resources.IncrementalProjectBuilder;
 import org.eclipse.core.runtime.CoreException;
@@ -33,8 +35,6 @@ import org.eclipse.core.runtime.OperationCanceledException;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.SubProgressMonitor;
 
-
-
 public class CBuilder extends ACBuilder {
 
 	private static final String BUILD_ERROR = "CBuilder.build_error";
@@ -50,19 +50,45 @@ public class CBuilder extends ACBuilder {
 		return workingDirectory;
 	}
 
+	public class MyResourceDeltaVisitor implements IResourceDeltaVisitor {
+		boolean bContinue;
+
+		public boolean visit(IResourceDelta delta) throws CoreException {
+			IResource resource = delta.getResource();
+			if (resource != null && resource.getProject() == getProject()) {
+				bContinue = true;
+				return false;
+			}
+			return true;
+		}
+		public boolean shouldBuild() {
+			return bContinue;
+		}
+	}
 	/**
 	 * @see IncrementalProjectBuilder#build
 	 */
 	protected IProject[] build(int kind, Map args, IProgressMonitor monitor) throws CoreException {
+		boolean bPerformBuild = true;
+		if (kind == IncrementalProjectBuilder.AUTO_BUILD) {
+			MyResourceDeltaVisitor vis = new MyResourceDeltaVisitor();
+			IResourceDelta delta = getDelta(getProject());
+			if  (delta != null )  {
+				delta.accept(vis);
+				bPerformBuild = vis.shouldBuild();
+			} else
+				bPerformBuild = false;
+		}
+		if ( bPerformBuild ) {
 			boolean isClean = invokeMake((kind == IncrementalProjectBuilder.FULL_BUILD), monitor);
 			if (isClean) {
 				forgetLastBuiltState();
 			}
+		}
 		checkCancel(monitor);
 		return getProject().getReferencedProjects();
 	}
 
-	
 	private boolean invokeMake(boolean fullBuild, IProgressMonitor monitor) {
 		boolean isClean = false;
 		boolean fatalBuild = false;
@@ -128,7 +154,8 @@ public class CBuilder extends ACBuilder {
 
 				try {
 					currProject.refreshLocal(IResource.DEPTH_INFINITE, subMonitor);
-				} catch (CoreException e) {
+				}
+				catch (CoreException e) {
 				}
 
 				subMonitor = new SubProgressMonitor(monitor, IProgressMonitor.UNKNOWN);
@@ -149,7 +176,8 @@ public class CBuilder extends ACBuilder {
 				subMonitor.done();
 				monitor.setCanceled(isCanceled);
 			}
-		} catch (Exception e) {
+		}
+		catch (Exception e) {
 			CCorePlugin.log(e);
 		}
 		monitor.done();
@@ -173,11 +201,13 @@ public class CBuilder extends ACBuilder {
 				if (!nature.isStopOnError()) {
 					list.add("-k");
 				}
-			} else {
+			}
+			else {
 				String[] ovrd_args = makeArray(nature.getFullBuildArguments());
 				list.addAll(Arrays.asList(ovrd_args));
 			}
-		} catch (CoreException e) {
+		}
+		catch (CoreException e) {
 		}
 
 		String sessionTarget = MakeUtil.getSessionTarget((IResource) currProject);
@@ -207,14 +237,16 @@ public class CBuilder extends ACBuilder {
 			if (array[i] == '"' || array[i] == '\'') {
 				if (i > 0 && array[i - 1] == '\\') {
 					inComment = false;
-				} else {
+				}
+				else {
 					inComment = !inComment;
 				}
 			}
 			if (c == ' ' && !inComment) {
 				aList.add(buffer.toString());
 				buffer = new StringBuffer();
-			} else {
+			}
+			else {
 				buffer.append(c);
 			}
 		}